Messages in this thread | | | Date | Fri, 19 Feb 2016 14:30:45 +0000 | From | Will Deacon <> | Subject | Re: [PATCH v4.1] arm64: hw_breakpoint: Allow EL2 breakpoints if running in HYP |
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On Wed, Feb 17, 2016 at 05:58:43PM +0000, Marc Zyngier wrote: > With VHE, we place kernel {watch,break}-points at EL2 to get things > like kgdb and "perf -e mem:..." working. > > This requires a bit of repainting in the low-level encore/decode, > but is otherwise pretty simple. > > Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> > --- > arch/arm64/include/asm/hw_breakpoint.h | 18 +++++++++++++----- > 1 file changed, 13 insertions(+), 5 deletions(-)
Acked-by: Will Deacon <will.deacon@arm.com>
Will
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